1.Objective To study the influence of BSSRO on mandible ramous and temporomandibular joint.

1.目的观察双侧下颌矢状劈开(BSSRO)后移下颌对下颌升支及颞下颌节的影响。

2.With a location near to the mountain and watets,it features profound historical and cultural city rhythm,romantic developing history and become a ramous histroical and cultural city.

2.其依山傍水购乐学的地，悠久购乐学的历史文化底韵，传奇般购乐学的城市发展史，成为了中国著名购乐学的历史文化名城。